Isolation/preparation and properties of the following non-metals:
Boron, silicon, nitrogen, phosphorus, oxygen, sulphur and halogens; Properties of
allotropes of carbon (only diamond and graphite), phosphorus and sulphur.

Of course! Borax preparation from colemanite is one of the most important reactions in oron family.
And as far as compounfs of tin, lead, etc are concerned, they are not in syllabus. So, don't study them or just study upar upar...
In fiitjee package it was given, read this, enough